Index of Bird Facts

Here are some facts about the changing populations of some of North America’s most beautiful bird species.

1/3	75
The portion of North American bird species that are in decline.	Percentage of early 1800s tallgrass prairie that still remains.
75	40
Percentage of aridland obligate birds whose numbers are declining steadily.	Percentage of grassland birds that are of conservation concern.
¼	40+
The portion of all U.S. birds that rely on freshwater wetlands habitats.	The number of bird species affected by unintentional injury by longline fisheries worldwide.
1 mil.	72
Number of Greater Prairie-Chicken (Attwater’s) known to exist in the early 20th century.	Number of Greater Prairie-Chicken (Attwater’s) known to exist today.

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